A luminous GIA certified, .85 carat, H color, Si1 clarity diamond glows from the center of this exquisite antique platinum engagement ring. Additional, dazzling, round cut diamonds frame the center stone, stepping down the rings sparkling shoulders in a waterfall of glittering beauty. The rings sides and shoulders are adorned with elegant organic engraving. The Art Deco ring measures 11.31 mm in width. Circa: 1920. Size 7 1/4. We can re-size.